°¨»çÇÕ´Ï´Ù ½ºÅ×Æijë´Ô... Ãß°¡ÀûÀ¸·Î ´õ Áú¹®Çصµ µÉ±î¿ä... °è¼ÓÇؼ Áú¹®µå·Á¼ Á˼ÛÇÕ´Ï´Ù ¤Ì¤Ð¤Ð¤Ð
À̹ÌÁö ÆÄÀÏÀ» ÷ºÎÇØ¾ß Çؼ »õ·Î ÀÛ¼ºÇÏ´Â Á¡ ¾çÇØ ºÎŹµå¸³´Ï´Ù ¤Ð¤Ð¤Ð
B1)
Differential Head ¶Ç´Â Differential Pressure ´Â ÆßÇÁ ÀüÈÄÀÇ Head Â÷ ¶Ç´Â ÀüÈÄ ¾Ð·ÂÂ÷¸¦ ¸»ÇÑ´Ù°í Çϼ̽À´Ï´Ù.
Àü¾çÁ¤(Total head)´Â ÅäÃâ¾çÁ¤, ÈíÀÔ¾çÁ¤, ¼Õ½Ç¾çÁ¤ÀÇ ÇÕÀÌ°í, ½Ç¾çÁ¤(Actual head)´Â ÅäÃâ¾çÁ¤, ÈíÀÔ¾çÁ¤ÀÇ ÇÕÀ¸·Î ¾Ë°íÀÖ½À´Ï´Ù.
±×·¸´Ù¸é Differential Head ¶Ç´Â Differential Pressures´Â Àü¾çÁ¤¿¡ ´ëÇÑ °ªÀΰ¡¿ä ½Ç¾çÁ¤¿¡ ´ëÇÑ °ªÀΰ¡¿ä?
B2)
Ht= total head
Hf=friction head
Hd=discharge static head
Hs=suction static head
¶ó Çϸé,
- ÈíÀÔÃøÀÇ ¼öÀ§°¡ ÆßÇÁº¸´Ù ³ôÀº °æ¿ìÀÇ Á¤»ó¾çÁ¤(Rated differential Head)
HT = Hf + HD - HS
-ÈíÀÔ ÃøÀÇ ¼öÀ§°¡ ÆßÇÁº¸´Ù ³·Àº °æ¿ìÀÇ Á¤»ó¾çÁ¤(Rated differential Head)
HT = Hf + HD + HS
ÀÌ°æ¿ì°¡ ¸Â³ª¿ä?
B3)
ÀÌÀü¿¡ ´äº¯ÇØÁֽŠ³»¿ë AA4)¿¡ ÀÇÇϸé
(1)~(3)¿¡ ÇØ´çÇÏ´Â ¾Ð·ÂÀ» ¸ðµÎ °í·ÁÇÑ Pump Shut-off Pressure¸¦ ¼³°è¾Ð·ÂÀ¸·Î Ç϶ó´Â °ÍÀÌ °¡À̵åÁöħ ³»¿ëÀ̶ó°í Çϼ̽À´Ï´Ù.
±×·¯¸é Ãß°¡ÀûÀ¸·Î ±»ÀÌ (1)~(3)¿¡ ÇØ´çÇÏ´Â ¾Ð·ÂÀ» ¸ðµÎ °í·ÁÇÑ Pump Shut-off Pressure º¸´Ù ´õ ³ô°Ô ¼³°è¾Ð·ÂÀ» Àâ¾Æ¾ßÇÒ ÇÊ¿ä´Â ¾ø´Â °ÍÀÎÁö¿ä?
B4)
÷ºÎµÈ À̹ÌÁö ¿Í ºñ½ÁÇÏ°Ô
1. ÆßÇÁ°¡ ¾×¸é º¸´Ù ³·Àº °æ¿ì
2. suction drumÀÌ ÆßÇÁº¸´Ù ³ôÀº Áö¿ª(¾ð´ö µî)¿¡ ¼³Ä¡ µÇ¾î ÀÖ´Â °æ¿ì
ÇØ´çÇÏ´Â °æ¿ì suction pressure¸¦ ¾î¶»°Ô »êÁ¤ÇؾßÇÒÁö ±Ã±ÝÇÕ´Ï´Ù.
ȯ°æ¾ÈÀüÂÊ ÀÏÇÏ´Ù°¡ ¿£Áö´Ï¾î¸µ °ü·Ã ÀÚ·á ãÀ¸·Á´Ï ³Ê¹« ¾î·Æ³×¿ä..